Merge pull request #19 from libjet/home-cleanup

Home and HRAM cleanup

1 files changed, 61 insertions, 0 deletions

diff --git a/home/scrolling_menu.asm b/home/scrolling_menu.asm
new file mode 100755
index 00000000..6b8c1595
--- /dev/null
+++ b/home/scrolling_menu.asm
@@ -0,0 +1,61 @@
+ScrollingMenu::
+	call CopyMenuData
+	ldh a, [hROMBank]
+	push af
+
+	ld a, BANK(_ScrollingMenu) ; aka BANK(_InitScrollingMenu)
+	rst Bankswitch
+
+	call _InitScrollingMenu
+	call .UpdatePalettes
+	call _ScrollingMenu
+
+	pop af
+	rst Bankswitch
+
+	ld a, [wMenuJoypad]
+	ret
+
+.UpdatePalettes:
+	ld hl, wVramState
+	bit 0, [hl]
+	jp nz, UpdateTimePals
+	jp SetPalettes
+
+InitScrollingMenu::
+	ld a, [wMenuBorderTopCoord]
+	dec a
+	ld b, a
+	ld a, [wMenuBorderBottomCoord]
+	sub b
+	ld d, a
+	ld a, [wMenuBorderLeftCoord]
+	dec a
+	ld c, a
+	ld a, [wMenuBorderRightCoord]
+	sub c
+	ld e, a
+	push de
+	call Coord2Tile
+	pop bc
+	jp Textbox
+
+JoyTextDelay_ForcehJoyDown::
+	call DelayFrame
+
+	ldh a, [hInMenu]
+	push af
+	ld a, $1
+	ldh [hInMenu], a
+	call JoyTextDelay
+	pop af
+	ldh [hInMenu], a
+
+	ldh a, [hJoyLast]
+	and D_RIGHT + D_LEFT + D_UP + D_DOWN
+	ld c, a
+	ldh a, [hJoyPressed]
+	and A_BUTTON + B_BUTTON + SELECT + START
+	or c
+	ld c, a
+	ret
\ No newline at end of file